Search a number
-
+
23049872 = 24412857
BaseRepresentation
bin101011111101…
…1011010010000
31121101001110222
41113323122100
521400043442
62142012212
7366630536
oct127733220
947331428
1023049872
111201378a
127877068
134a106a1
1430c0156
1520548d2
hex15fb690

23049872 has 30 divisors (see below), whose sum is σ = 45828354. Its totient is φ = 11230720.

The previous prime is 23049863. The next prime is 23049883. The reversal of 23049872 is 27894032.

It can be written as a sum of positive squares in 3 ways, for example, as 163216 + 22886656 = 404^2 + 4784^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26468 + ... + 27324.

Almost surely, 223049872 is an apocalyptic number.

It is an amenable number.

23049872 is a deficient number, since it is larger than the sum of its proper divisors (22778482).

23049872 is an equidigital number, since it uses as much as digits as its factorization.

23049872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947 (or 900 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 23049872 is about 4801.0282232039. The cubic root of 23049872 is about 284.5920993555.

The spelling of 23049872 in words is "twenty-three million, forty-nine thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 16 41 82 164 328 656 857 1681 1714 3362 3428 6724 6856 13448 13712 26896 35137 70274 140548 281096 562192 1440617 2881234 5762468 11524936 23049872